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3.2.1. Virtual Network Peering and VPN Gateway

💡 First Principle: Virtual network peering connects VNets within Azure using Microsoft's backbone network. VPN gateways provide encrypted tunnels for connecting to on-premises networks or other cloud providers.

Connection Options Comparison

OptionUse CaseBandwidthEncryption
VNet PeeringAzure-to-Azure same regionVery highNot encrypted by default
Global VNet PeeringAzure-to-Azure cross-regionHighNot encrypted by default
Site-to-Site VPNAzure to on-premisesUp to 10 GbpsIPsec encrypted
Point-to-Site VPNIndividual client to AzureLimitedIPsec/SSL encrypted
ExpressRoutePrivate connection to AzureUp to 100 GbpsNot encrypted by default
Alvin Varughese
Written byAlvin Varughese
Founder•15 professional certifications